MISC SPECIAL HOSES
SAE J1403 Fiber reinforced Power Brake Vacuum Hose.
http://www.goodyearrubberproducts.co...s/page0039.pdf
Light duty J1403 Type LWA
Heavy Duty J1403 Type HWA
Application:Power brake vacuum applications on cars and light-duty trucks.
Specs:Max Vacuum 26in Hg
SAE J20 R1-R4 Class D1 - D3 Coolant System Hoses.
Regular coolant hoses fall under this spec. I added it just to be complete.
Most decent quality formed and straight coolant hoses will meet this spec.
The J20 Government Supplement Spec... Pretty dry reading but here it is.
http://autoparts-standard.org/index/...J20-1-2009.pdf
http://www.mediafire.com/view/3qskmx...J20-1-2009.pdf
Application:Radiator, Heater, and Engine Coolant Bypass.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
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And please let us know if and how your repairs were successful.